Common php verification code-PHP source code

Ec (2); function name: CheckMoney ($ C_Money) & nbsp; function: Check whether the data is in the 99999.99 format & nbsp; & nbsp; parameter: $ C_Money (number to be checked) & nbsp; Return Value: Boolean Value & nbsp; & nbsp; script ec (2); script

// Function name: CheckMoney ($ C_Money)
// For usage: Check whether the data is in the 99999.99 format
// Parameter: $ C_Money (number to be detected)
// Return value: Boolean
// Standby Note: None
// Configure //-----------------------------------------------------------------------------------
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The Code is as follows:
Function CheckMoney ($ C_Money) { If (! Ereg ("^ [0-9] [.] [0-9] $", $ C_Money) return false; Return true; }

// Configure //-----------------------------------------------------------------------------------
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// Configure //-----------------------------------------------------------------------------------
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// Function name: CheckEmailAddr ($ C_mailaddr)
// Usage: determines whether the email address is a valid email address.
// Parameter: $ C_mailaddr (email address to be detected)
// Return value: Boolean
// Standby Note: None
// Configure //-----------------------------------------------------------------------------------
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The Code is as follows:
Function CheckEmailAddr ($ C_mailaddr) { If (! Eregi ("^ [_ a-z0-9-] + (. [_ a-z0-9-] +) * @ [a-z0-9-] + (. [a-z0-9-] +) * $ ", $ C_mailaddr )) //(! Ereg ("^ [_ a-zA-Z0-9-] + (. [_ a-zA-Z0-9-] +) * @ [_ a-zA-Z0-9-] + (. [_ a-zA-Z0-9-] +) * $ ", $ C_mailaddr )) { Return false; } Return true; }

// Configure //-----------------------------------------------------------------------------------
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// Configure //-----------------------------------------------------------------------------------
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// Function name: CheckWebAddr ($ C_weburl)
// Usage: Determine whether the website is valid
// Parameter: $ C_weburl (URL to be detected)
// Return value: Boolean
// Standby Note: None
// Configure //-----------------------------------------------------------------------------------
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The Code is as follows:
Function CheckWebAddr ($ C_weburl) { If (! Ereg ("^ http: // [_ a-zA-Z0-9-] + (. [_ a-zA-Z0-9-] +) * $", $ C_weburl )) { Return false; } Return true; }

// Configure //-----------------------------------------------------------------------------------
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// Configure //-----------------------------------------------------------------------------------
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// Function name: CheckEmpty ($ C_char)
// For usage: determines whether the string is null.
// Parameter: $ C_char (string to be detected)
// Return value: Boolean
// Standby Note: None
// Configure //-----------------------------------------------------------------------------------
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The Code is as follows:
Function CheckEmptyString ($ C_char) { If (! Is_string ($ C_char) return false; // whether it is a string type If (emptyempty ($ C_char) return false; // set If ($ C_char = '') return false; // whether it is null Return true; }

// Configure //-----------------------------------------------------------------------------------
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// Configure //-----------------------------------------------------------------------------------
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// Function name: CheckLengthBetween ($ C_char, $ I _len1, $ I _len2 = 100)
// For usage: determines whether the string is within the specified length
// Parameter: $ C_char (string to be detected)
// $ I _len1 (lower limit of the target String Length)
// $ I _len2 (Maximum length of the target string)
// Return value: Boolean
// Standby Note: None
// Configure //-----------------------------------------------------------------------------------
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The Code is as follows:
Function CheckLengthBetween ($ C_cahr, $ I _len1, $ I _len2 = 100) { $ C_cahr = trim ($ C_cahr ); If (strlen ($ C_cahr) <$ I _len1) return false; If (strlen ($ C_cahr)> $ I _len2) return false; Return true; }

// Configure //-----------------------------------------------------------------------------------
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// Configure //-----------------------------------------------------------------------------------
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// Function name: CheckUser ($ C_user)
// Usage: determines whether the user name is valid
// Parameter: $ C_user (user name to be detected)
// Return value: Boolean
// Standby Note: None
// Configure //-----------------------------------------------------------------------------------
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The Code is as follows:
Function CheckUser ($ C_user) { If (! CheckLengthBetween ($ C_user, 4, 20) return false; // width check If (! Ereg ("^ [_ a-zA-Z0-9] * $", $ C_user) return false; // special character check Return true; }

// Configure //-----------------------------------------------------------------------------------
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// Configure //-----------------------------------------------------------------------------------
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// Function name: CheckPassword ($ C_passwd)
// Usage: determines whether the password is valid.
// Parameter: $ C_passwd (password to be detected)
// Return value: Boolean
// Standby Note: None
// Configure //-----------------------------------------------------------------------------------
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The Code is as follows:
Function CheckPassword ($ C_passwd) { If (! CheckLengthBetween ($ C_passwd, 4, 20) return false; // width Detection If (! Ereg ("^ [_ a-zA-Z0-9] * $", $ C_passwd) return false; // special character Detection Return true;